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Some male birds and mammals congregate in communal courting grounds called leks.
Older adults may grieve intensely over the loss of a person or situation that has been a part of the
James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
A well-folded letter fits easily into the envelope and is easily removed by the person who receives ...
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
Cystic fibrosis is caused by a mutation in a protein called CFTR